Home / 879,899.25-1,214,260.98-477,491.25

Finding the Fourth Proportional to 879,899.25, 1,214,260.98 and 477,491.25

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Solution

The fourth proportional to 879,899.25, 1,214,260.98 and 477,491.25 is: 658,937.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,899.25 : 1,214,260.98 = 477,491.25 : x
  2. Step 2: Convert to fraction form
    879,899.25/1,214,260.98 = 477,491.25/x
  3. Step 3: Cross multiply
    879,899.25x = 1,214,260.98 × 477,491.25
  4. Step 4: Simplify right side
    879,899.25x = 579,798,993,166.43
  5. Step 5: Solve for x
    x = 579,798,993,166.43/879,899.25
  6. Step 6: Final answer
    x = 658,937.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.